43 results about "Hot stage" patented technology

The present invention provides a hot stage for small-angle scattering experiment. The hot stage includes an intake passage, a sealed window, a translucent window, an exhaust passage, a heating layer package wall, a heating layer, a sample chamber and a sample clamp layer. The hot stage for small angle scattering experiment has thermal station temperature in the range of -40 to 1200 DEG C; and the connecting lines between two end ports of the sample chamber and the edges of the transparent window have included angle of 4- 90 DEG with the axial parallel of the sample chamber. Surrounding heating on the sample chamber by the heating layer ensures uniform heating of the sample, and avoids the effects of the heating layer on neutron and X-ray path. The sealed window and translucent window uses quartz glass, sapphire or Kapton film with high transmittance of neutrons and X-rays, so as to achieve high transmittance of neutrons and X-ray, and ensure normal operation of the neutron and X-ray small-angle scattering experiments.

A microscope hot stage and sample pool system used for electrochemistry in-situ Raman spectrum measurement comprises a hot stage body, a hot stage cover, a sealed cabin, silicon carbide rods, a sample pool and a base. An insulating layer is arranged on the inner side of the bottom of the hot stage body. A heat preservation layer is arranged on the insulating layer. The sealed cabin and the silicon carbide rods are arranged on the upper portion of the heat preservation layer. The silicon carbide rods surround the sealed cabin. A heat preservation layer is arranged between the silicon carbide rods and the inner wall of the hot stage body. The sample pool is arranged in the sealed cabin. A base installation hole for a base upper supporting column to be inserted therein, silicon carbide rod wire through holes, a thermocouple wire through hole and an electrode wire through hole are formed in the outer side of the bottom of the hot stage body. By means of the microscope hot stage and sample pool system, protection gas can be introduced, the sealed cabin allowing samples to be dynamically added is used in cooperation with the sample pool, the silicon carbide rods convenient to install and high in heating amount are used as heating bodies, a cooling pore way with the L-shaped section is designed on the hot stage cover, cooling gas can be introduced at any time to cool a microscope lens, and advantages are provided for high-temperature fused salt Raman tests due to the design.

The invention relates to a method for preparing a hemihydrate gypsum gel material and gypsum products on line by using phosphogypsum at a hot stage. The method comprises the following steps: 1) phosphogypsum hot-state on-line processing process: scrubbing phosphogypsum discharged on line by using a water scrubbing process in the presence of a modifier and dehydrating to obtain phosphogypsum slurry; 2) phosphogypsum hot-state on-line hydrothermal preparation process: sufficiently mixing the phosphogypsum slurry with an activity agent and a crystal modifier to form material slurry and carrying out normal-pressure dynamic heat preservation reaction on the slurry material; carrying out solid-liquid separation to obtain hemihydrate gypsum slurry, wherein the scrubbing solution can be recycled after being treated; and 3) on-line preparation process of the hemihydrate gypsum gel material: washing the hemihydrate gypsum slurry with hot water, filtering and drying to obtain hemihydrate gypsum powder; or on-line preparation process of the phosphogypsum products: washing the hemihydrate gypsum slurry, filtering and directly preparing into building blocks, gypsum boards and other products online. The method has the advantages that the flotation process of phosphogypsum ore is omitted and phosphogypsum generated by a phosphorus chemical industry production line can be directly subjected to a normal-pressure hydrothermal reaction.

A self-inspection system for a 3D printer, the invention is a technical field of the 3D printer. In order to enable 3D printing to be carried out based on the actual situation of the hot table, the present invention installs a laser emitting head and a photoelectric receiving array on the print head, processes or installs a reflective mirror on the hot table, and the laser beam is not perpendicular to the reflective mirror and is transmitted by The reflective mirror surface is reflected to the photoelectric receiving array for reception, and the computer drives the printing head, laser emitting head and photoelectric receiving array through the positioning system to detect the distance of the smallest three reflective mirrors in different places on the heating table, and the computer uses the detection results of the photoelectric receiving array as the basis Recalculate the printing data, so that the printing data can be 3D printed based on the actual situation of the heating table; All technical problems and adverse effects caused by the deviation between the heating stage plane and the positioning system in the prior art are eliminated.

The invention discloses a fiber drawing heat table and a small-angle laser scattering instrument using the same. The fiber stretching heat table includes a body and a mechanical stretching device arranged on the body; the mechanical stretching device includes a fixing unit and an adjusting unit, and the high polymer fiber material sample is fixed on the first fixed end and the second fixed end of the mechanical stretching device. end, and the first fixed end and/or the second fixed end can move relatively along its line, and the polymer fiber material sample is stretched with the relative movement of the first fixed end and/or the second fixed end; the adjustment unit The adjusting unit is arranged on the first fixed end and/or the second fixed end, and drives the first fixed end and/or the second fixed end to move. The small-angle laser scattering instrument includes a fiber drawing heat station, a laser device, a polarization device, a camera device, and an analysis device. The invention can observe, analyze and collect the corresponding change of the spherulite growth process and the corresponding change data and spectrum of the small-angle laser scattering pattern when the length of the sample to be tested is stretched and changed.

A compressor device with at least two compressor elements connected in series and at least two coolers of which there at least two split coolers that are split in separate successive stages, respectively a hot stage and a cold stage, that are connected together in one or more separate cooling circuits such that the compressed gas is cooled sufficiently between the compressor elements with a minimum coolant flow rate to keep the temperature of the cooled gas at the outlet of each cooler below a maximum permissible value and thereby to realize a desired temperature increase of the coolant in at least one of the aforementioned cooling circuits.

The invention discloses an annular blowing, drying and dehumidifying device applied to a cold and hot stage. The device comprises an annular blowing device (1), rotary adjusting spray heads (2), an air inlet (3), an air channel distributor (4) and a fixed connecting frame (5), wherein the annular blowing device (1) can be detachably connected with a device to be blown, dried and dehumidified through the fixed connecting frame (5); and the rotary adjusting spray heads (2) are uniformly distributed on the annular blowing device (1) at intervals in the circumferential direction, and the rotary adjusting spray heads (2) can spray a blowing medium to blow a part to be blown, dried and dehumidified of the device. The device disclosed by the invention can be used for stably and uniformly spraying dry purge gas to a sample observation window of the whole cold and hot stage at a high speed, isolating indoor humid ambient air and preventing the sample observation window from fogging to influence the experiment of the cold and hot stage; and the device has the advantages of high efficiency, flexibility and low cost, and is suitable for various types and specifications of cold and hot stages and related instruments.

The invention discloses a self-assembled monolayer preparation method, which comprises the following steps: 1) a carboxylic acid derivative with a halogen-like group is dissolved in an organic solvent, heating and dissolving at 60 DEG C to 70 DEG C are carried out, and a precursor solution is obtained; 2) spin coating of the precursor solution on a nickel oxide/ITO substrate at room temperature iscarried out, and being placed on a hot stage for annealing is carried out; and 3) after cooling to the room temperature, twice spin coating and washing out are instantly carried out by the organic solvent, annealing is carried out again, and the self-assembled monolayer is obtained. The invention discloses a perovskite solar cell preparation method. The invention also discloses a perovskite solarcell, which comprises the ITO, a hole transport layer, a self-assembled monolayer, a perovskite layer, an electron transport layer, a BCP and a silver electrode laminated in order from bottom to top.Through modification of the monolayer, obvious improvement is gained in multiple aspects such as voltage and efficiency of the device, and the battery performance is improved.

The invention discloses an organic matter pore formation and evolution in-situ observation method and application. The organic matter pore formation and evolution in-situ observation method comprises the following steps: step A, carrying out microscopic observation on a sample; step B, placing the sample in a cold and hot stage externally connected with a microscope, setting a first temperature programming condition and a first termination temperature, and recording an organic matter evolution process; step C, performing organic matter evolution characteristic observation on the sample; and D, repeating the step B and the step C for one or more times, and setting a second program heating condition and a second termination temperature until the organic matters disappear. The method can be used for shale organic matter pore formation and evolution in-situ observation, and provides more direct technical support for formation and evolution research of different types of organic matter pores.

A method of evaluating formation of fouling material in a petroleum feed involves illuminating a sample with cross-polarized light while subjecting the sample to temperature and pressure conditions relevant to an industrial process to induce chemical and/or physical changes; collecting images of the treated sample; and analyzing the images to evaluate fouling formation based on heterogeneity of the images in terms of brightness and/or color, where an increase in heterogeneity is indicative of initiation of fouling formation. The method is conducted using a cross-polarized microscopy system including a hot stage reactor assembly capable of withstanding operation within a temperature between about 20° C. to 450° C. or higher, and a pressure between about 0.1 MPa to 16 MPa or higher.